No. Marijuana is one of the few drugs that isnt. Type in vasoconstrictor into wikipedia to look up the ones that are. Marijuana actually does the opposite and increase blood â¦ flow and expand the arteries.
Some of the comorbid or associated medical symptoms for Mouth numbness may include these symptoms: 1  Digestive symptoms. 2  Face symptoms. 3  Head symptoms.  Mouth 1  symptoms. Nerve symptoms. 2  Pain. Sensations.  more associated symptoms...Â».
A Dr. Jerry P. Gordon, DMD , Dentist, answered. The lips and tongue become numb after your dentist gives you an injection of local anesthetic to treat teeth on the lower jaw. An infected tooth, a fracture or tumor in the lower jaw can also cause numbness to the lips and tongue.